Don't worry, it was just a test of Abraham's loyalty. God was never going to let him kill Isaac. It's the perfect example of a completely ethical thing to do to another person...

Some religious people would be nodding along in agreement not realising this is satire.

That's for sure, it seems to be a pretty straightforward case of Poe's law

https://en.wikipedia.org/wiki/Poe%27s_law

Is it satire if there are no fools?

Not unlike a cartel head that rules by a mix of fear and gaslighting.

Many religious texts, not just the Bible start making a lot of sense when looked at like psyops.